Finding the Third Proportional to 2,212,667 and 3,417,279

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,667 : 3,417,279 = 3,417,279 : x
2. Step 2: Convert to fraction form
   2,212,667/3,417,279 = 3,417,279/x
3. Step 3: Cross multiply
   2,212,667x = 3,417,279 × 3,417,279
4. Step 4: Simplify right side
   2,212,667x = 11,677,795,763,841
5. Step 5: Solve for x
   x = 11,677,795,763,841/2,212,667
6. Step 6: Final answer
   x = 5,277,701.42